package br.com.syshealth.clinica.util;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebFilter(servletNames={"Faces Servlet"})
public class Filtro implements Filter {

	@Override
	public void destroy() {
		// TODO Auto-generated method stub
		
	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		
		HttpServletRequest req = ( HttpServletRequest )request ;
		HttpSession session =req.getSession ();
		
		if ( session.getAttribute ("usuario") != null || req.getRequestURI().endsWith ("login.xhtml"))
		{
			chain.doFilter ( request , response );
			
		}else {
			 HttpServletResponse res = ( HttpServletResponse )response ;
			 res.sendRedirect("login.xhtml");
			 }
		
	}

	@Override
	public void init(FilterConfig filterConfig) throws ServletException {
		// TODO Auto-generated method stub
		
	}

	
}
